GNS3 Lab & Exercise: VPN troubleshooting Lab Scenario
Written by irom from http:// on November 9th, 2011 | 11 CommentsScenario: A simple IPsec tunnel between fast Ethernet interfaces of routers SW1 (f1/1) and R1(f0/0). But it doesn’t work..
SW1#ping 10.0.0.2 source 10.0.10.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.0.0.2, timeout is 2 seconds:
Packet sent with a source address of 10.0.10.1
…..
Success rate is 0 percent (0/5)
R1#ping 10.0.10.1 source 10.0.0.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.0.10.1, timeout is 2 seconds:
Packet sent with a source address of 10.0.0.2
…..
Success rate is 0 percent (0/5)
Find out why without looking into initial configuration files, all IOS commands are allowed.
Routers Used: Cisco C3745
IOS: (C3745-ADVENTERPRISEK9-M), Version 12.4(23)
Feature of Topology: VPN, IPSEC, ISAKMP,RIP
Download GNS3 files: http://www.uploadhookup.com/index.php/files/get/YA4jjABr6Z/vpn-troubleshooting.rar
Solution:
Looking into initial configuration file will help !
22,031 viewsTags: IPSec, ISAKMP, VPN troubleshooting
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November 9th, 2011 at 5:17 pm
Thanks for that – a nice easy one but it lets you do some creative debugging and your mind opens up once again if you’ve not done it for a while!
November 16th, 2011 at 6:57 am
thanks a lot for the lab… its really helpful !!
how to configure vrf
December 14th, 2011 at 3:32 pm
Done. Realy nice lab. Thanks irom!
February 1st, 2012 at 5:54 am
how can i eastablished a vpn tunnel between this ….i have try so many commend but tunnel are not established
March 12th, 2012 at 11:27 am
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July 19th, 2012 at 11:25 am
Hi All,
I have followed the script which was added in rar file . Its working for me.
R1#ping 10.0.10.1 source 10.0.0.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.0.10.1, timeout is 2 seconds:
Packet sent with a source address of 10.0.0.2
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 4/4/4 ms
==========
R1#ping 10.0.10.1 source 10.0.0.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.0.10.1, timeout is 2 seconds:
Packet sent with a source address of 10.0.0.2
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 4/4/4 ms
IOS:
SW1#sh ver
Cisco IOS Software, 3700 Software (C3745-ADVIPSERVICESK9-M), Version 12.4(25d), RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Please let me know what was the problem?
Thanks and regards,
Kista
July 19th, 2012 at 1:07 pm
I have found problem and corrected thank you for posting ..
August 26th, 2012 at 1:32 am
please help me i want to create vpn ..in cisco 887 a series router ..please send configuration or any examples my mail id is emran .replay@gmail.com
October 16th, 2012 at 11:00 am
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January 26th, 2013 at 11:25 am
The link is down. Please post at another link
February 21st, 2013 at 6:58 am
Link is still down has another upload of the file been done or is the server site the old link was placed on down for good?